text: Yen Phong District (Bac Ninh Province) consists of 13 communes and a township with a population of about 200,000 people socially isolated under Directive 16 from 14h on May 19?
classes:  No, the quarantine period of Yen Phong District is expected to be 3 weeks.  Also, the quarantine period of Yen Phong District is expected to be 3 weeks.  Yes, the quarantine period of Yen Phong District is expected to be 3 weeks.